| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q3 2024 | 75.4 | +0.96 | +1.29% | Sep 30, 2024 |
| Q2 2024 | 77.1 | +2.49 | +3.34% | Jun 30, 2024 |
| Q1 2024 | 75.7 | +2.44 | +3.33% | Mar 31, 2024 |
| Q4 2023 | 75.5 | +3.49 | +4.85% | Dec 31, 2023 |
| Q3 2023 | 74.4 | +4.2 | +5.98% | Sep 30, 2023 |
| Q2 2023 | 74.6 | +8.43 | +12.7% | Jun 30, 2023 |
| Q1 2023 | 73.3 | +10.8 | +17.4% | Mar 31, 2023 |
| Q4 2022 | 72 | +15.3 | +27% | Dec 31, 2022 |
| Q3 2022 | 70.2 | +15.8 | +29% | Sep 30, 2022 |
| Q2 2022 | 66.2 | +13.8 | +26.3% | Jun 30, 2022 |
| Q1 2022 | 62.4 | +10 | +19.2% | Mar 31, 2022 |
| Q4 2021 | 56.7 | -0.01 | -0.02% | Dec 31, 2021 |
| Q3 2021 | 54.5 | -4.41 | -7.49% | Sep 30, 2021 |
| Q2 2021 | 52.4 | -11.3 | -17.7% | Jun 30, 2021 |
| Q1 2021 | 52.4 | -15.4 | -22.7% | Mar 31, 2021 |
| Q4 2020 | 56.7 | -12.8 | -18.5% | Dec 31, 2020 |
| Q3 2020 | 58.9 | -11.3 | -16.1% | Sep 30, 2020 |
| Q2 2020 | 63.7 | -5.65 | -8.15% | Jun 30, 2020 |
| Q1 2020 | 67.8 | -0.47 | -0.69% | Mar 31, 2020 |
| Q4 2019 | 69.5 | +3.8 | +5.78% | Dec 31, 2019 |
| Q3 2019 | 70.2 | +3.64 | +5.47% | Sep 30, 2019 |
| Q2 2019 | 69.3 | +2.27 | +3.39% | Jun 30, 2019 |
| Q1 2019 | 68.3 | +2.4 | +3.65% | Mar 31, 2019 |
| Q4 2018 | 65.7 | -2.43 | -3.57% | Dec 31, 2018 |
| Q3 2018 | 66.5 | -2.1 | -3.06% | Sep 30, 2018 |
| Q2 2018 | 67.1 | -12.2 | -15.3% | Jun 30, 2018 |
| Q1 2018 | 65.9 | -18.9 | -22.3% | Mar 31, 2018 |
| Q4 2017 | 68.2 | -16.5 | -19.5% | Dec 31, 2017 |
| Q3 2017 | 68.6 | -17 | -19.8% | Sep 30, 2017 |
| Q2 2017 | 79.2 | -1.7 | -2.1% | Jun 30, 2017 |
| Q1 2017 | 84.7 | -0.22 | -0.26% | Mar 31, 2017 |
| Q4 2016 | 84.7 | -8.37 | -9% | Dec 31, 2016 |
| Q3 2016 | 85.6 | -15.3 | -15.2% | Sep 30, 2016 |
| Q2 2016 | 80.9 | -28.9 | -26.3% | Jun 30, 2016 |
| Q1 2016 | 84.9 | -32.3 | -27.5% | Mar 31, 2016 |
| Q4 2015 | 93 | -33.7 | -26.6% | Dec 31, 2015 |
| Q3 2015 | 101 | -32.6 | -24.4% | Sep 30, 2015 |
| Q2 2015 | 110 | -16.4 | -13% | Jun 30, 2015 |
| Q1 2015 | 117 | +0.28 | +0.24% | Mar 31, 2015 |
| Q4 2014 | 127 | +20.2 | +18.9% | Dec 31, 2014 |
| Q3 2014 | 133 | +31.6 | +31.1% | Sep 30, 2014 |
| Q2 2014 | 126 | +23.4 | +22.7% | Jun 30, 2014 |
| Q1 2014 | 117 | +12.4 | +11.8% | Mar 31, 2014 |
| Q4 2013 | 107 | -5.93 | -5.27% | Dec 31, 2013 |
| Q3 2013 | 102 | -18.1 | -15.1% | Sep 30, 2013 |
| Q2 2013 | 103 | -18.5 | -15.3% | Jun 30, 2013 |
| Q1 2013 | 105 | -23.4 | -18.3% | Mar 31, 2013 |
| Q4 2012 | 113 | -14 | -11.1% | Dec 31, 2012 |
| Q3 2012 | 120 | -14.6 | -10.9% | Sep 30, 2012 |
| Q2 2012 | 121 | -23.8 | -16.4% | Jun 30, 2012 |
| Q1 2012 | 128 | -21.1 | -14.2% | Mar 31, 2012 |
| Q4 2011 | 127 | Dec 31, 2011 | ||
| Q3 2011 | 135 | Sep 30, 2011 | ||
| Q2 2011 | 145 | Jun 30, 2011 | ||
| Q1 2011 | 149 | Mar 31, 2011 |